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Your position: Home / Electron Tubes / Industrial heating tubes
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3CX3000F7 High Frequency Oscillator triode RF Power Supply

Suitable for use as RF power amplifier, oscillator or modulator​​​​​​​
3 Review(s) Sold:22
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  • Description
  • Reviews(3)

Introduction:
1. The 3CX3000F7 electron tube is a cermet structure, a thorium carbide cathode, and a forced air-cooled triode. Anode dissipation power is 4KW
2. Suitable for use as RF power amplifier, oscillator or modulator

一、Characteristic parameter
Filament Voltage 7.5V Amplification Factor 160
Filament Current   51.5A  
Maximum operating frequency   110MHz  
Interelectrode capacitance (cathode grounded) Input 38.1pF  
Feedback 0.6pF  
Output 24.0pF  
Inter-electrode capacitance (gate to ground) Input 38.1pF  
Output 24.0pF  
Feedback 0.6pF  
Zero grid pressure positive current (Ua=5000V) 440±80mA Cutoff gate bias (Ua=5000V,Ia=1ma) -45.0V
Installation location Vertical/anode up or down Cooling method Forced air cooling
Maximum working temperature (outer surface of anode and sealing part) 250℃    
Maximum size Length: 228.6mm Diameter: 105.7mm  
weight 3.4kg    

二、Extreme application data RF power amplifier or modulator (AB2 class/gate excitation/single tube)
Anode voltage 5000Vdc Anode current 2.5Adc
Anode dissipation 4000W Grid dissipation 225W

三、Typical working state (double tube/sine wave)
Anode voltage 4000Vdc Zero signal positive current (approximate) 0.5Adc
Peak signal positive current 3.58Adc Anode load 2720Ω
Peak audio grid input voltage (single tone) 190V Peak excitation power 115W
Maximum signal anode dissipation 1850W Maximum signal anode output 10.5kW





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Average rating: 5.0 based on 3 reviews
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